{"id":30199,"date":"2019-10-31T21:34:08","date_gmt":"2019-10-31T18:34:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vozmozhno-vam-ne-nuzhen-kubernetes\/"},"modified":"2019-10-31T21:34:08","modified_gmt":"2019-10-31T18:34:08","slug":"vozmozhno-vam-ne-nuzhen-kubernetes","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/vozmozhno-vam-ne-nuzhen-kubernetes","title":{"rendered":"Mo\u017en\u00e1 nepot\u0159ebujete Kubernetes","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Mo\u017en\u00e1 nepot\u0159ebujete Kubernetes\" src=\"\/wp-content\/uploads\/2019\/03\/4cd1c0ed29bf76731aab81ce67144352.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>D\u00edvka na sk\u00fatru. Ilustrace <noindex><a rel=\"nofollow\" href=\"https:\/\/www.freepik.com\/free-photos-vectors\/car\">freepik<\/a><\/noindex>, logo Nomad od <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nomadproject.io\/\">HashiCorp<\/a><\/noindex><\/i><\/p>\n<p>Kubernetes je 300kilogramov\u00e1 gorila pro orchestrace kontejner\u016f. Funguje v n\u011bkter\u00fdch z nejv\u011bt\u0161\u00edch kontejnerov\u00fdch syst\u00e9m\u016f na sv\u011bt\u011b, ale je drah\u00e1.<\/p>\n<p>Obzvl\u00e1\u0161\u0165 drah\u00e1 pro mal\u00e9 t\u00fdmy, kter\u00e9 str\u00e1v\u00ed spoustu \u010dasu na \u00fadr\u017ebu a strm\u00e9 k\u0159ivce u\u010den\u00ed. Pro n\u00e1\u0161 \u010dty\u0159\u010dlenn\u00fd t\u00fdm je to p\u0159\u00edli\u0161 mnoho re\u017eijn\u00edch n\u00e1klad\u016f. Za\u010dali jsme hledat alternativy - a zamilovali jsme si <noindex><a rel=\"nofollow\" href=\"https:\/\/www.nomadproject.io\/\">Nomad<\/a><\/noindex>.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h1>Co chceme<\/h1>\n<p>\nN\u00e1\u0161 t\u00fdm podporuje \u0159adu b\u011b\u017en\u00fdch slu\u017eeb pro monitorov\u00e1n\u00ed a anal\u00fdzu v\u00fdkonu: API koncov\u00e9 body pro metriky napsan\u00e9 v Go, export Prometheus, analyz\u00e1tory log\u016f, jako je Logstash a <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/trivago\/gollum\">Gollum<\/a><\/noindex>, stejn\u011b jako datab\u00e1ze, jako je InfluxDB nebo Elasticsearch. Ka\u017ed\u00e1 z t\u011bchto slu\u017eeb b\u011b\u017e\u00ed v vlastn\u00edm kontejneru. Pot\u0159ebujeme jednoduch\u00fd syst\u00e9m, kter\u00fd udr\u017euje v\u0161echno v chodu.<\/p>\n<p>Za\u010dali jsme seznamem po\u017eadavk\u016f na orchestrace kontejner\u016f:<\/p>\n<ul>\n<li>Spou\u0161t\u011bn\u00ed sady slu\u017eeb na mnoha stroj\u00edch.\n<\/li>\n<li>P\u0159ehled spu\u0161t\u011bn\u00fdch slu\u017eeb.\n<\/li>\n<li>Spojen\u00ed mezi slu\u017ebami.\n<\/li>\n<li>Automatick\u00e9 restartov\u00e1n\u00ed, pokud slu\u017eba spadne.\n<\/li>\n<li>\u00dadr\u017eba infrastruktury mal\u00fdm t\u00fdmem.<\/li>\n<\/ul>\n<p>\nKrom\u011b toho by n\u00e1sleduj\u00edc\u00ed v\u011bci byly p\u0159\u00edjemn\u00e9, ale ne nezbytn\u00e9 dopl\u0148ky:<\/p>\n<ul>\n<li>Ozna\u010den\u00ed stroj\u016f podle jejich schopnost\u00ed (nap\u0159\u00edklad ozna\u010den\u00ed stroj\u016f s rychl\u00fdmi disky pro t\u011b\u017ek\u00e9 slu\u017eby s vysok\u00fdm v\u00fdkonem I\/O).\n<\/li>\n<li>Mo\u017enost spou\u0161t\u011bn\u00ed slu\u017eeb nez\u00e1visle na orchestr\u00e1toru (nap\u0159\u00edklad b\u011bhem v\u00fdvoje).\n<\/li>\n<li>Spole\u010dn\u00e9 m\u00edsto pro sd\u00edlen\u00ed konfigurac\u00ed a tajemstv\u00ed.\n<\/li>\n<li>Koncov\u00fd bod pro metriky a logy.<\/li>\n<\/ul>\n<p><\/p>\n<h1>Pro\u010d n\u00e1m Kubernetes nevyhovuje<\/h1>\n<p>\nP\u0159i vytv\u00e1\u0159en\u00ed prototypu s Kubernetes jsme si v\u0161imli, \u017ee jsme za\u010dali p\u0159id\u00e1vat st\u00e1le slo\u017eit\u011bj\u0161\u00ed vrstvy logiky, na kterou jsme se bezv\u00fdhradn\u011b spol\u00e9hali.<\/p>\n<p>Nap\u0159\u00edklad Kubernetes podporuje vestav\u011bn\u00e9 konfigurace slu\u017eeb prost\u0159ednictv\u00edm <noindex><a rel=\"nofollow\" href=\"https:\/\/kubernetes.io\/docs\/tasks\/configure-pod-container\/configure-pod-configmap\/\">ConfigMaps<\/a><\/noindex>. M\u016f\u017eete se rychle zamotat, zejm\u00e9na p\u0159i slu\u010dov\u00e1n\u00ed n\u011bkolika konfigura\u010dn\u00edch soubor\u016f nebo p\u0159id\u00e1v\u00e1n\u00ed dal\u0161\u00edch slu\u017eeb do podu. Kubernetes (nebo <noindex><a rel=\"nofollow\" href=\"https:\/\/helm.sh\/\">helm<\/a><\/noindex> V tomto p\u0159\u00edpad\u011b) umo\u017e\u0148uje implementaci dynamick\u00fdch extern\u00edch konfigurac\u00ed pro sd\u00edlen\u00ed z\u00e1jm\u016f. To v\u0161ak vede k pevn\u00e9mu skryt\u00e9mu propojen\u00ed mezi va\u0161\u00edm projektem a Kubernetes. Helm a ConfigMaps jsou nicm\u00e9n\u011b dal\u0161\u00edmi mo\u017enostmi, tak\u017ee je nemus\u00edte nutn\u011b pou\u017e\u00edvat. M\u016f\u017eete jednodu\u0161e zkop\u00edrovat konfiguraci do obrazu Docker. P\u0159esto je l\u00e1kav\u00e9 j\u00edt touto cestou a vytv\u00e1\u0159et zbyte\u010dn\u00e9 abstrakce, \u010deho\u017e m\u016f\u017eete pozd\u011bji litovat.<\/p>\n<p>Ekosyst\u00e9m Kubernetes se nav\u00edc rychle vyv\u00edj\u00ed. Vy\u017eaduje to spoustu \u010dasu a energie, abyste byli v obraze s nejlep\u0161\u00edmi praktikami a nejnov\u011bj\u0161\u00edmi n\u00e1stroji. Kubectl, minikube, kubeadm, helm, tiller, kops, oc \u2013 seznam pokra\u010duje. Na za\u010d\u00e1tku nemus\u00edte m\u00edt v\u0161echny tyto n\u00e1stroje, ale nev\u00edte, co budete pot\u0159ebovat, a proto je d\u016fle\u017eit\u00e9 b\u00fdt informov\u00e1n o v\u0161em. Kv\u016fli tomu je k\u0159ivka u\u010den\u00ed docela strm\u00e1.<\/p>\n<h1>Kdy pou\u017e\u00edvat Kubernetes<\/h1>\n<p>\nV na\u0161\u00ed spole\u010dnosti mnoho lid\u00ed pou\u017e\u00edv\u00e1 Kubernetes a jsou s n\u00edm velmi spokojeni. Tyto instance jsou spravov\u00e1ny Googlem nebo Amazonem, kte\u0159\u00ed maj\u00ed dostatek prost\u0159edk\u016f na podporu.<\/p>\n<p>Kubernetes p\u0159ich\u00e1z\u00ed s <noindex><a rel=\"nofollow\" href=\"https:\/\/jvns.ca\/blog\/2017\/08\/05\/how-kubernetes-certificates-work\/\">\u00fa\u017easn\u00fdmi funkcemi<\/a><\/noindex>, kter\u00e9 \u010din\u00ed rozs\u00e1hlou orchestraci kontejner\u016f l\u00e9pe spravovatelnou:<\/p>\n<ul>\n<li>Podrobn\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/kubernetes.io\/docs\/reference\/access-authn-authz\/authorization\/\">\u0159\u00edzen\u00ed p\u0159\u00edstupov\u00fdch pr\u00e1v<\/a><\/noindex>.\n<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/kubernetes.io\/docs\/concepts\/extend-kubernetes\/api-extension\/custom-resources\/#custom-controllers\">Vlastn\u00ed ovlada\u010de<\/a><\/noindex> p\u0159id\u00e1vaj\u00ed logiku do clusteru. Jsou to prost\u011b programy, kter\u00e9 komunikuj\u00ed s API Kubernetes.\n<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/kubernetes.io\/docs\/tasks\/run-application\/horizontal-pod-autoscale\/\">Automatick\u00e9 \u0161k\u00e1lov\u00e1n\u00ed<\/a><\/noindex>! Kubernetes dok\u00e1\u017ee \u0161k\u00e1lovat slu\u017eby na vy\u017e\u00e1d\u00e1n\u00ed, vyu\u017e\u00edvaj\u00edc\u00ed metriky slu\u017eeb a nevy\u017eaduje manu\u00e1ln\u00ed z\u00e1sah.<\/li>\n<\/ul>\n<p>\nOt\u00e1zka je, zda skute\u010dn\u011b pot\u0159ebujete v\u0161echny tyto funkce. Nen\u00ed mo\u017en\u00e9 se jen spol\u00e9hat na abstrakce; <noindex><a rel=\"nofollow\" href=\"https:\/\/jvns.ca\/blog\/2017\/08\/05\/how-kubernetes-certificates-work\/\">mus\u00edte se nau\u010dit, co se d\u011bje pod pokli\u010dkou<\/a><\/noindex>.<\/p>\n<p>N\u00e1\u0161 t\u00fdm poskytuje v\u011bt\u0161inu slu\u017eeb na d\u00e1lku (kv\u016fli bl\u00edzk\u00e9mu propojen\u00ed se z\u00e1kladn\u00ed infrastrukturou), tak\u017ee jsme necht\u011bli zakl\u00e1dat vlastn\u00ed cluster Kubernetes. Cht\u011bli jsme jen poskytovat slu\u017eby.<\/p>\n<h1>Baterie nejsou sou\u010d\u00e1st\u00ed balen\u00ed<\/h1>\n<p>\nNomad je 20% orchestrace, kter\u00e1 poskytuje 80% pot\u0159ebn\u00e9ho. To, co d\u011bl\u00e1, je spr\u00e1va nasazen\u00ed. Nomad se star\u00e1 o nasazen\u00ed, restartuje kontejnery v p\u0159\u00edpad\u011b chyb... a to je v\u0161e.<\/p>\n<p>Cel\u00fd smysl Nomadu spo\u010d\u00edv\u00e1 v tom, co d\u011bl\u00e1 <i>minimum<\/i>: \u017e\u00e1dn\u00e9 podrobn\u00e9 \u0159\u00edzen\u00ed p\u0159\u00edstupov\u00fdch pr\u00e1v ani <noindex><a rel=\"nofollow\" href=\"https:\/\/kubernetes.io\/docs\/concepts\/services-networking\/network-policies\/\">roz\u0161\u00ed\u0159en\u00e9 s\u00ed\u0165ov\u00e9 politiky<\/a><\/noindex>, tak to bylo speci\u00e1ln\u011b navr\u017eeno. Tyto komponenty jsou poskytov\u00e1ny extern\u011b nebo nejsou poskytov\u00e1ny v\u016fbec.<\/p>\n<p>Mysl\u00edm, \u017ee Nomad na\u0161el ide\u00e1ln\u00ed rovnov\u00e1hu mezi jednoduchost\u00ed pou\u017eit\u00ed a u\u017eite\u010dnost\u00ed. Je skv\u011bl\u00fd pro mal\u00e9, nez\u00e1visl\u00e9 slu\u017eby. Pokud pot\u0159ebujete v\u00edce kontroly, budete muset slu\u017eby nasadit sami nebo pou\u017e\u00edt jin\u00fd p\u0159\u00edstup. Nomad je <i>prost\u011b<\/i> orchestr\u00e1tor.<\/p>\n<p>Nejlep\u0161\u00ed na Nomadu je, \u017ee ho lze snadno <i>nahradit<\/i>. V\u00e1zanost na dodavatele je prakticky nulov\u00e1, proto\u017ee jeho funkce se snadno integruj\u00ed do jak\u00e9hokoli jin\u00e9ho syst\u00e9mu pro spr\u00e1vu slu\u017eeb. Funguje jednodu\u0161e jako b\u011b\u017en\u00fd bin\u00e1rn\u00ed soubor na ka\u017ed\u00e9m po\u010d\u00edta\u010di v clustru, to je cel\u00e9!<\/p>\n<h1>Ekosyst\u00e9m Nomadu se skl\u00e1d\u00e1 z voln\u011b spojen\u00fdch komponent\u016f<\/h1>\n<p>\nSkute\u010dn\u00e1 s\u00edla Nomadu spo\u010d\u00edv\u00e1 v jeho ekosyst\u00e9mu. Velmi dob\u0159e se integruje s dal\u0161\u00edmi \u2013 pln\u011b voliteln\u00fdmi \u2013 produkty, jako jsou <noindex><a rel=\"nofollow\" href=\"https:\/\/www.consul.io\/\">Consul<\/a><\/noindex> (\u00falo\u017ei\u0161t\u011b kl\u00ed\u010d-hodnota) nebo <noindex><a rel=\"nofollow\" href=\"https:\/\/www.vaultproject.io\/\">Vault<\/a><\/noindex> (zpracov\u00e1n\u00ed tajemstv\u00ed). Uvnit\u0159 souboru Nomad existuj\u00ed sekce pro extrakci dat z t\u011bchto slu\u017eeb:<\/p>\n<pre><code class=\"plaintext\">template {\n  data = &lt;&lt;EOH\nLOG_LEVEL=&quot;{{key &quot;service\/geo-api\/log-verbosity&quot;}}&quot;\nAPI_KEY=&quot;{{with secret &quot;secret\/geo-api-key&quot;}}{{.Data.value}}{{end}}&quot;\nEOH\n\n  destination = &quot;secrets\/file.env&quot;\n  env         = true\n}<\/code><\/pre>\n<p>\nZde \u010dteme kl\u00ed\u010d <code>service\/geo-api\/log-verbosity<\/code> z Consulu a b\u011bhem b\u011bhu ho prezentujeme jako prom\u011bnnou prost\u0159ed\u00ed <code>LOG_LEVEL<\/code>. Tak\u00e9 prezentujeme kl\u00ed\u010d <code>secret\/geo-api-key<\/code> z Vaultu jako <code>API_KEY<\/code>. Jednoduch\u00e9, ale mocn\u00e9!<\/p>\n<p>D\u00edky sv\u00e9 jednoduchosti se Nomad snadno roz\u0161i\u0159uje pomoc\u00ed dal\u0161\u00edch slu\u017eeb p\u0159es API. Nap\u0159\u00edklad podporuje tagy pro \u00fakoly. Ozna\u010dujeme v\u0161echny slu\u017eby s metrikami tagem <code>trv-metrics<\/code>. T\u00edmto zp\u016fsobem Prometheus snadno najde tyto slu\u017eby p\u0159es Consul a pravideln\u011b zkontroluje koncovou platnost <code>\/metrics<\/code> na nov\u00e9 \u00fadaje. Tot\u00e9\u017e lze ud\u011blat nap\u0159\u00edklad pro logy, pomoc\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/grafana.com\/loki\">Loki<\/a><\/noindex>.<\/p>\n<p>Existuje mnoho dal\u0161\u00edch p\u0159\u00edklad\u016f roz\u0161i\u0159itelnosti:<\/p>\n<ul>\n<li>Spu\u0161t\u011bn\u00ed \u00falohy Jenkins pomoc\u00ed hooku, p\u0159i\u010dem\u017e Consul sledoval op\u011btovn\u00e9 nasazen\u00ed \u00falohy Nomad p\u0159i zm\u011bn\u00e1ch konfigurace slu\u017eby.\n<\/li>\n<li>Ceph p\u0159id\u00e1v\u00e1 do Nomadu distribuovan\u00fd souborov\u00fd syst\u00e9m.\n<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/fabiolb\/fabio\">fabio<\/a><\/noindex> pro vyva\u017eov\u00e1n\u00ed z\u00e1t\u011b\u017ee.<\/li>\n<\/ul>\n<p>\nTo v\u0161e umo\u017e\u0148uje <noindex><a rel=\"nofollow\" href=\"https:\/\/tech.trivago.com\/2019\/01\/25\/nomad-our-experiences-and-best-practices\/\">organicky rozv\u00edjet infrastrukturu<\/a><\/noindex> bez v\u00fdrazn\u00e9ho v\u00e1z\u00e1n\u00ed na dodavatele.<\/p>\n<h1>Poctiv\u00e9 varov\u00e1n\u00ed<\/h1>\n<p>\n\u017d\u00e1dn\u00fd syst\u00e9m nen\u00ed dokonal\u00fd. Nedoporu\u010duji okam\u017eit\u011b implementovat nejnov\u011bj\u0161\u00ed funkce do produkce. Samoz\u0159ejm\u011b existuj\u00ed chyby a chyb\u011bj\u00edc\u00ed funkce, ale to sam\u00e9 plat\u00ed pro Kubernetes.<\/p>\n<p>Ve srovn\u00e1n\u00ed s Kubernetes nen\u00ed komunita Nomad tak rozs\u00e1hl\u00e1. Kubernetes ji\u017e m\u00e1 kolem 75 000 commit\u016f a 2000 p\u0159isp\u011bvatel\u016f, zat\u00edmco Nomad m\u00e1 p\u0159ibli\u017en\u011b 14 000 commit\u016f a 300 p\u0159isp\u011bvatel\u016f. Bude pro Nomad obt\u00ed\u017en\u00e9 udr\u017eet krok a nespadnout na rychlosti za Kubernetes, ale mo\u017en\u00e1 to ani nen\u00ed pot\u0159eba! Je to specializovan\u011bj\u0161\u00ed syst\u00e9m a men\u0161\u00ed komunita tak\u00e9 znamen\u00e1, \u017ee v\u00e1\u0161 pull request bude pravd\u011bpodobn\u011bji v\u0161imnut a p\u0159ijat ve srovn\u00e1n\u00ed s Kubernetes.<\/p>\n<h1>Shrnut\u00ed<\/h1>\n<p>\nZ\u00e1v\u011br: nepou\u017e\u00edvejte Kubernetes jen proto, \u017ee to d\u011blaj\u00ed v\u0161ichni. Pe\u010dliv\u011b zhodno\u0165te sv\u00e9 po\u017eadavky a zjist\u011bte, kter\u00fd n\u00e1stroj je v\u00fdhodn\u011bj\u0161\u00ed.<\/p>\n<p>Pokud pl\u00e1nujete nasadit velk\u00e9 mno\u017estv\u00ed homogenn\u00edch slu\u017eeb na rozs\u00e1hl\u00e9 infrastruktu\u0159e, Kubernetes je dobr\u00e1 volba. Jen si pamatujte na dodate\u010dnou slo\u017eitost a provozn\u00ed n\u00e1klady. N\u011bkter\u00fdm n\u00e1klad\u016fm se m\u016f\u017eete vyhnout pou\u017eit\u00edm spravovan\u00e9ho prost\u0159ed\u00ed Kubernetes, jako je <noindex><a rel=\"nofollow\" href=\"https:\/\/cloud.google.com\/kubernetes-engine\/\">Google Kubernetes Engine<\/a><\/noindex> nebo <noindex><a rel=\"nofollow\" href=\"https:\/\/aws.amazon.com\/eks\/\">Amazon EKS<\/a><\/noindex>.<\/p>\n<p>Pokud prost\u011b hled\u00e1te spolehliv\u00e9ho orchestr\u00e1tora, kter\u00fd je snadn\u00fd na \u00fadr\u017ebu a \u0161k\u00e1lovateln\u00fd, pro\u010d nezkusit Nomad? Mo\u017en\u00e1 budete p\u0159ekvapeni, jak daleko v\u00e1s to zavede.<\/p>\n<p>Pokud srovn\u00e1me Kubernetes s automobilem, Nomad bude sk\u00fatr. N\u011bkdy pot\u0159ebujete jedno, jindy druh\u00e9. Oba maj\u00ed pr\u00e1vo na existenci.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/445030\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u0435\u0432\u0443\u0448\u043a\u0430 \u043d\u0430 \u0441\u043a\u0443\u0442\u0435\u0440\u0435. \u0418\u043b\u043b\u044e\u0441\u0442\u0440\u0430\u0446\u0438\u044f freepik, \u043b\u043e\u0433\u043e\u0442\u0438\u043f Nomad \u043e\u0442 HashiCorp Kubernetes\u00a0\u2014 \u044d\u0442\u043e 300-\u043a\u0438\u043b\u043e\u0433\u0440\u0430\u043c\u043c\u043e\u0432\u0430\u044f \u0433\u043e\u0440\u0438\u043b\u043b\u0430 \u0434\u043b\u044f \u043e\u0440\u043a\u0435\u0441\u0442\u0440\u043e\u0432\u043a\u0438 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432. \u041e\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0430\u043c\u044b\u0445 \u043a\u0440\u0443\u043f\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0432 \u043c\u0438\u0440\u0435, \u043d\u043e \u0434\u043e\u0440\u043e\u0433\u043e \u043e\u0431\u0445\u043e\u0434\u0438\u0442\u0441\u044f. \u041e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0434\u043e\u0440\u043e\u0433\u043e \u0434\u043b\u044f \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u043a\u043e\u043c\u0430\u043d\u0434, \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u043f\u0440\u0438\u0434\u0451\u0442\u0441\u044f \u043f\u043e\u0442\u0440\u0430\u0442\u0438\u0442\u044c \u043c\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0438 \u043a\u0440\u0443\u0442\u0443\u044e \u043a\u0440\u0438\u0432\u0443\u044e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f. \u0414\u043b\u044f \u043d\u0430\u0448\u0435\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u0438\u0437 \u0447\u0435\u0442\u044b\u0440\u0451\u0445 \u0447\u0435\u043b\u043e\u0432\u0435\u043a \u044d\u0442\u043e \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u043c\u043d\u043e\u0433\u043e \u043d\u0430\u043a\u043b\u0430\u0434\u043d\u044b\u0445 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-30199","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u0435\u0432\u0443\u0448\u043a\u0430 \u043d\u0430 \u0441\u043a\u0443\u0442\u0435\u0440\u0435.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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